40=(x)(x+1)(x-2)

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Solution for 40=(x)(x+1)(x-2) equation: 


Simplifying
40 = (x)(x + 1)(x + -2)

Reorder the terms:
40 = x(1 + x)(x + -2)

Reorder the terms:
40 = x(1 + x)(-2 + x)

Multiply (1 + x) * (-2 + x)
40 = x(1(-2 + x) + x(-2 + x))
40 = x((-2 * 1 + x * 1) + x(-2 + x))
40 = x((-2 + 1x) + x(-2 + x))
40 = x(-2 + 1x + (-2 * x + x * x))
40 = x(-2 + 1x + (-2x + x2))

Combine like terms: 1x + -2x = -1x
40 = x(-2 + -1x + x2)
40 = (-2 * x + -1x * x + x2 * x)
40 = (-2x + -1x2 + x3)

Solving
40 = -2x + -1x2 + x3

Solving for variable 'x'.

Reorder the terms:
40 + 2x + x2 + -1x3 = -2x + 2x + -1x2 + x2 + x3 + -1x3

Combine like terms: -2x + 2x = 0
40 + 2x + x2 + -1x3 = 0 + -1x2 + x2 + x3 + -1x3
40 + 2x + x2 + -1x3 = -1x2 + x2 + x3 + -1x3

Combine like terms: -1x2 + x2 = 0
40 + 2x + x2 + -1x3 = 0 + x3 + -1x3
40 + 2x + x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
40 + 2x + x2 + -1x3 = 0

The solution to this equation could not be determined.

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